Those are a people who have passed away; theirs is that which they earned and yours that which ye earn. And ye will not be asked of what they used to do.
Times are computed by method; your mosque's timetable governs the adhan. Every text carries its source and grade. Nothing here is a fatwa, a prediction, or a substitute for a doctor: your own scholar decides what is contested, and the tradition itself says the practice is alongside treatment, never instead of it.